Home / 88,579,139.40-132,868,709.10-74,218,422.60

Finding the Fourth Proportional to 88,579,139.40, 132,868,709.10 and 74,218,422.60

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Solution

The fourth proportional to 88,579,139.40, 132,868,709.10 and 74,218,422.60 is: 111,327,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,579,139.40 : 132,868,709.10 = 74,218,422.60 : x
  2. Step 2: Convert to fraction form
    88,579,139.40/132,868,709.10 = 74,218,422.60/x
  3. Step 3: Cross multiply
    88,579,139.40x = 132,868,709.10 × 74,218,422.60
  4. Step 4: Simplify right side
    88,579,139.40x = 9,861,306,002,300,264
  5. Step 5: Solve for x
    x = 9,861,306,002,300,264/88,579,139.40
  6. Step 6: Final answer
    x = 111,327,633.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.